64499560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 151139520

約数和(自身を除く): 86639960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 587, 670, 820, 1174, 1340, 1640, 2348, 2680, 2747, 2935, 4696, 5494, 5870, 10988, 11740, 13735, 21976, 23480, 24067, 27470, 39329, 48134, 54940, 78658, 96268, 109880, 120335, 157316, 192536, 196645, 240670, 314632, 393290, 481340, 786580, 962680, 1573160, 1612489, 3224978, 6449956, 8062445, 12899912, 16124890, 32249780, 64499560]

約数ペア:

[(1, 64499560), (2, 32249780), (4, 16124890), (5, 12899912), (8, 8062445), (10, 6449956), (20, 3224978), (40, 1612489), (41, 1573160), (67, 962680), (82, 786580), (134, 481340), (164, 393290), (205, 314632), (268, 240670), (328, 196645), (335, 192536), (410, 157316), (536, 120335), (587, 109880), (670, 96268), (820, 78658), (1174, 54940), (1340, 48134), (1640, 39329), (2348, 27470), (2680, 24067), (2747, 23480), (2935, 21976), (4696, 13735), (5494, 11740), (5870, 10988)]